effects of nanotech on environment
1. Cleaner, more efficient industrial processes
positive
2. Improved ability to detect and eliminate pollution by improving air, water, and soil quality
positive
3. High precision manufacturing by reducing amount of waste
positive
4. Clean abundant power via more efficient solar cells
positive
5. Removal of greenhouse gases and other pollutants from the atmosphere
positive
6. Decreased need for large industrial plants
positive
7. Remediating environmental damages
positive
1. High energy requirements for synthesizing nanoparticles causing high energy demand
Negative
2. Dissemination of toxic, persistent nano-substances originating environmental harm
Negative
3. Lower recovery and recycling rates
Negative
4. Environmental implications of other life cycle stages also not clear
Negative
5. Lack of trained engineers and workers causing further
Negative